墙外通道:http://bits-please.blogspot.com/2015/08/effectively-bypassing-kptrrestrict-on.html In this blog post, we'll take a look at a few ways that I've discovered in order to bypass kptr_restrict on Android, allowing for easier exploitation of vulnerabi…
Analyzing UI Performance with Systrace In this document Overview 简介 Generating a Trace 生成Systrace文件(html) Tracing on Android 4.3 and higher 4.3以上 Tracing on Android 4.2 and lower 4.2以下 graphical user interface 用工具生成Systrace 文件 Ana…
While developing your application, you should check that user interactions are buttery smooth, running at a consistent 60 frames per second. If something goes wrong, and a frame gets dropped, the first step in fixing the problem is understanding what…
The Android kernel is a powerful ally to the reverse engineer. While regular Android apps are hopelessly restricted and sandboxed, you - the reverser - can customize and alter the behavior of the operating system and kernel any way you wish. This giv…
Message: 定义: public final class Message implements Parcelable Message类是个final类,就是说不能被继承,同时Message类实现了Parcelable接口,我们知道android提供了一种新的类型:Parcel.本类被用作封装数据的容器,是链表结构,有个属性next和sPool,这两个变量是不同的,具体什么不同看下文. 文档描述: Defines a message containing a description and…
http://www.cnblogs.com/JohnTsai/p/3975022.html http://www.zhihu.com/question/19801131 In my previous post I showed how to perform asynchronous web API calls in native Android code, after showing how to do it in native iOS a few days before. My Androi…
To Enable the Developer and Performance settings on CyanogenMod 10.1 In the Settings app, choose the About Phone (or About Tablet) option.Scroll down, and tap the Build number seven times. On the seventh tap, you will be notified that "You are now a…
scrollView 是android系统提供的一种 特殊的展示view. 其实我们很早就遇到过scrollview的东东,比如listview. 而google官方文档也提出,不要混合使用scrollview & listview,应为他们有一定的冲突性. 本文后面会分析和解决这个问题. 1.认识scrollview Layout container for a view hierarchy that can be scrolled by the user, allowing it to be…
from : http://www.raizlabs.com/dev/2014/03/wrangling-dalvik-memory-management-in-android-part-1-of-2/ WRANGLING DALVIK: MEMORY MANAGEMENT IN ANDROID (PART 1 OF 2) Posted MARCH 4, 2014 by JOE MAHON Update: Part 2 is now up! Check it out! There are s…
转自http://blog.apkudo.com/2012/07/26/enabling-hierarchyviewer-on-rooted-android-devices/. The HierarchyViewer is an Android SDK tool that gives developers the ability to introspect on all aspects of an application’s layout at runtime. The tool can be…
The powerful Android Studio 08 Jun 2016 Android Studio is the official tool for Android development these days. Being developed at the top of project IntelliJ IDEA, takes into advantage (almost in its entirety) features of edition, debugging, analysi…
预备知识:External Storage Technical Information 摘要: "The WRITE_EXTERNAL_STORAGE permission must only grant write access to the primary external storage on a device. Apps must not be allowed to write to secondary external storage devices, except in their…
因为国内被墙,看起来不方便,转载下,原文地址:http://android-developers.blogspot.com/2010/07/multithreading-for-performance.html Multithreading For Performance [This post is by Gilles Debunne, an engineer in the Android group who loves to get multitasked. — Tim Bray] A g…
一. 简介 UsageStatsService是一个系统服务,其主要通过AMS等,来监测并记录各个应用的使用数据,如上次调用com.android.settings的时间等. UsageStatsService,a service that collects, aggregates, and persists application usage data. This data can be queried by apps that have been granted permission by…
Android device details are being exposed to running applications via Wi-Fi broadcasts in the mobile operating system, Nightwatch Cybersecurity has discovered. The exposed information includes the WiFi network name, BSSID, local IP addresses, DNS serv…
Transmitting Network Data Using Volley GET STARTED DEPENDENCIES AND PREREQUISITES Android 1.6 (API Level 4) or higher VIDEO Volley: Easy, Fast Networking for Android Volley is an HTTP library that makes networking for Android apps easier and most imp…
Transferring Data Using Sync Adapters GET STARTED DEPENDENCIES AND PREREQUISITES Android 2.1 (API Level 7) or higher YOU SHOULD ALSO READ Bound Services Content Providers Creating a Custom Account Type TRY IT OUT Download the sample BasicSyncAdapter.…
